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Finding the Fourth Proportional to 636,948.44, 955,587.92 and 187,685.20

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Solution

The fourth proportional to 636,948.44, 955,587.92 and 187,685.20 is: 281,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,948.44 : 955,587.92 = 187,685.20 : x
  2. Step 2: Convert to fraction form
    636,948.44/955,587.92 = 187,685.20/x
  3. Step 3: Cross multiply
    636,948.44x = 955,587.92 × 187,685.20
  4. Step 4: Simplify right side
    636,948.44x = 179,349,709,882.78
  5. Step 5: Solve for x
    x = 179,349,709,882.78/636,948.44
  6. Step 6: Final answer
    x = 281,576.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.